<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>登录</title>
</head>
<body>

<h1 style="color:red">${error}</h1>
    <form method="post">
    用户名：<input type="text" name="userName" placeholder="请输入用户名"/><br/>
    密&nbsp;码：<input type="password" name="password" placeholder="请输入密码"/><br/>
    <input type="submit"/>
</form>
</body>
</html>